516751897 has 2 divisors, whose sum is σ = 516751898. Its totient is φ = 516751896.

The previous prime is 516751853. The next prime is 516751931. The reversal of 516751897 is 798157615.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386358336 + 130393561 = 19656^2 + 11419^2 .

It is a cyclic number.

It is not a de Polignac number, because 516751897 - 2²⁷ = 382534169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 516751897.

It is not a weakly prime, because it can be changed into another prime (516751297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258375948 + 258375949.

It is an arithmetic number, because the mean of its divisors is an integer number (258375949).

Almost surely, 2^516751897 is an apocalyptic number.

It is an amenable number.

516751897 is a deficient number, since it is larger than the sum of its proper divisors (1).

516751897 is an equidigital number, since it uses as much as digits as its factorization.

516751897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 49.

The square root of 516751897 is about 22732.1775683721. The cubic root of 516751897 is about 802.4673288912.

It can be divided in two parts, 5167518 and 97, that added together give a palindrome (5167615).

The spelling of 516751897 in words is "five hundred sixteen million, seven hundred fifty-one thousand, eight hundred ninety-seven".